The Costa Concordia is towed by two tugboats as it leaves behind the tiny Tuscan island of Isola del Giglio, Italy. The Costa Concordia cruise liner has begun its final voyage away from where it capsized on Jan. 13, 2012, killing 32 people. Italian Civil Protection Department via AP

People watch as the wrecked cruise ship Costa Concordia is towed by tugs away from Isola del Giglio, Italy. The ship is bound for it's home port of Genoa, where it will be dismantled. Laura Lezza, Getty Images

The Costa Concordia ship is towed from Giglio Island, Italy. It is expected to arrive in Genoa on July 27. It capsized after crashing into rocks in January 2012. Riccardo Dalle Luche, European Pressphoto Agency

A worker cleans the Costa Concordia after the crusie ship was refloated on July 22 off Giglio Island, Italy. Thirty-two people were killed when the ship ran aground and capsized on Jan. 13, 2012. Gregorio Borgia, AP

The sunken cruise ship Costa Concordia is slowly raised off a reef on July 21 off Giglio Island, Italy. Thirty-two people were killed when the ship ran aground and capsized on Jan. 13, 2012. Alessandro Di Meo, European Pressphoto Agency

Salvage workers refloat the sunken cruise ship Costa Concordia on July 15 off Giglio Island, Italy. The massive salvage operation to refloat and move the ship will take one week. Thirty-two people were killed when the ship ran aground and capsized on Jan. 12, 2012. Vincenzo Pinto, AFP/Getty Images

A floating barrier surrounds the Costa Concordia cruise ship. The entire operation to refloat the ship and tow the wreck to the Italian port of Genoa, where it will be scrapped, will cost $2 billion. Costa Press Office via epa

The grounded cruise liner Costa Concordia is upright after a salvage operation was completed on Sept. 17 off Giglio Island, Italy. Thirty-two people were killed when the vessel sank on Jan. 13, 2012. Marco Secchi, Getty Images

People at the harbor on Giglio Island watch salvage operations around the refloated Costa Concordia cruise ship. The ship's horn sounded for the first time since the 2012 sinking, mixing with applause and cheers in a dramatic climax to the massive salvage operation. Vincenzo Pinto, AFP/Getty Images

The severely damaged side of the Costa Concordia is visible after the successful salvage operation righted the capsized ship. The procedure, known as parbuckling, has never been used on a vessel as large as Costa Concordia. Marco Secchi, Getty Images

Salvage operations continue at sunset at the wreck of the cruise ship Costa Concordia on Sept. 16 near Giglio Island, Italy. Engineers are using a series of cables, pulleys, counterweights and huge chains to pull the ship upright. Andreas Solaro, AFP/Getty Images